When is cluster there is no line like this
/home/scidb/data/scidbtrunk/src/query/executor/SciDBExecutor.cpp, line 231.

Breakpoint 1, 0x0000000000824bf4 in scidb::SciDBExecutor::executeQuery(std::basic_string<char, std::char_traits, std::allocator > const&, bool, scidb::QueryResult&, void*) const ()
(gdb) n
Single stepping until exit from function _ZNK5scidb13SciDBExecutor12executeQueryERKSsbRNS_11QueryResultEPv,
which has no line number information.

0x0000000000766654 in scidb::ClientMessageHandleJob::executeClientQuery() ()
(gdb) n
Single stepping until exit from function _ZN5scidb22ClientMessageHandleJob18executeClientQueryEv,
which has no line number information.
0x000000000075ff1e in scidb::ClientMessageHandleJob::run() ()